Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen dan ve snippets" » "nen van ve snippets", "nen dat ve snippets", "nan dan ve snippets", "nen ban ve snippets", "nen dan va snippets", "nen dan viet snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nen dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.